Goversoft Privazer PrivaZer? is a free cleanup utility that helps you master your security over your PC. The app has been designed to permanently and irretrievably erase unwanted traces of your past activity on your computer and on storage devices such as USB keys and external drives. This prevents others from retrieving what you have watched, streamed, or visited on the Internet. It also frees up valuable hard disk space and keeps your PC running securely. Other features include scheduled cleanings, automatic registry backups, deletion of USB history, support for removable drives and USB keys, etc.